package main import ( "crypto/tls" "flag" "log" "os" "strconv" "time" ) func main() { var conf_file string // Parse args and read config flag.StringVar(&conf_file, "c", "", "Path to config file") flag.Parse() if conf_file == "" { _, err := os.Stat("/etc/molly.conf") if !os.IsNotExist(err) { conf_file = "/etc/molly.conf" } } config, err := getConfig(conf_file) if err != nil { log.Fatal(err) } // Open log files errorLogFile, err := os.OpenFile(config.ErrorLog, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644) if err != nil { log.Fatal(err) } defer errorLogFile.Close() accessLogFile, err := os.OpenFile(config.AccessLog, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644) if err != nil { log.Fatal(err) } defer accessLogFile.Close() // Read TLS files, create TLS config cert, err := tls.LoadX509KeyPair(config.CertPath, config.KeyPath) if err != nil { log.Fatal(err) } tlscfg := &tls.Config{ Certificates: []tls.Certificate{cert}, MinVersion: tls.VersionTLS12, ClientAuth: tls.RequestClientCert, } // Create TLS listener listener, err := tls.Listen("tcp", ":"+strconv.Itoa(config.Port), tlscfg) if err != nil { log.Fatal(err) } defer listener.Close() // Start log handling routines accessLogEntries := make(chan LogEntry, 10) go func() { for { entry := <-accessLogEntries writeLogEntry(accessLogFile, entry) } }() errorLogEntries := make(chan string, 10) go func() { for { message := <-errorLogEntries errorLogFile.WriteString(time.Now().Format(time.RFC3339) + " " + message + "\n") } }() // Infinite serve loop for { conn, err := listener.Accept() if err != nil { log.Fatal(err) } go handleGeminiRequest(conn, config, accessLogEntries, errorLogEntries) } }